§ 7.]
BOTH DIAGRAMS EMPLOYED.
73
7.
i.e. All
![{\displaystyle x}](https://wikimedia.org/api/rest_v1/media/math/render/svg/87f9e315fd7e2ba406057a97300593c4802b53e4)
are
![{\displaystyle y}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b8a6208ec717213d4317e666f1ae872e00620a0d)
. i.e. All well-fed birds are happy.
8.
i.e. Some
![{\displaystyle x^{\prime }}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a04dfa6d4671c585af87b97fd0f5d4a0da499028)
are
![{\displaystyle y^{\prime }}](https://wikimedia.org/api/rest_v1/media/math/render/svg/2c1478e384ed35ea9cd52605f61ad9aeb259ecca)
. i.e. Some birds that are not well-fed, are unhappy; or, Some unhappy birds are not well-fed.
9.
i.e. All
![{\displaystyle x}](https://wikimedia.org/api/rest_v1/media/math/render/svg/87f9e315fd7e2ba406057a97300593c4802b53e4)
are
![{\displaystyle y}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b8a6208ec717213d4317e666f1ae872e00620a0d)
. i.e. John has got a tooth-ache.
10.
i.e. No
![{\displaystyle x^{\prime }}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a04dfa6d4671c585af87b97fd0f5d4a0da499028)
are
![{\displaystyle y}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b8a6208ec717213d4317e666f1ae872e00620a0d)
. i.e. No one, but John, has got a tooth-ache.
11.
i.e. Some
![{\displaystyle x}](https://wikimedia.org/api/rest_v1/media/math/render/svg/87f9e315fd7e2ba406057a97300593c4802b53e4)
are
![{\displaystyle y}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b8a6208ec717213d4317e666f1ae872e00620a0d)
. i.e. Some one, who has taken a walk, feels better.
12.
i.e. Some
![{\displaystyle x}](https://wikimedia.org/api/rest_v1/media/math/render/svg/87f9e315fd7e2ba406057a97300593c4802b53e4)
are
![{\displaystyle y}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b8a6208ec717213d4317e666f1ae872e00620a0d)
. i.e. Some one, whom I sent to bring me a kitten, brought me a kettle by mistake.
[See p. 52]